Limited Delay Preemption Based Priority in Differentiated Optical Burst Switching Networks with Small Buffers

Jiuru  Yang; Hong’an  Ye

doi:10.4236/cn.2013.53B2082

Jiuru Yang^*, Hong’an Ye

Abstract: The composite scheme based on preemption and small buffers is an efficient method for contention resolution. To support services differentiation, it is the first time that the analytical model of delay preemption based priority is built. Further, in order to guarantee the low-loss requirement for high priority bursts, an improved scheme is proposed and investigated by limiting the buffered right of low priority bursts within the specific traffic states. The simulation results show that, without the deterioration of blocking performance, there is more than 40% reduction on burst loss being achieved under the conditionρ=1.0 for high priority bursts.

Keywords: Optical Burst Switching; Preemption; Small Buffers; Blocking

Cite this paper: Yang, J. and Ye, H. (2013) Limited Delay Preemption Based Priority in Differentiated Optical Burst Switching Networks with Small Buffers. Communications and Network, 5, 444-447. doi: 10.4236/cn.2013.53B2082.

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